html {
  font-size: 100px;
  min-width: 1100px;
  overflow-x: hidden;
  height: 100%;
}
html * {
  margin: 0;
  padding: 0;
}
html a {
  text-decoration: none;
}
html li {
  list-style: none;
}
html body {
  height: 100%;
  display: flex;
  align-content: space-between;
  flex-wrap: wrap;
}
html .box {
  width: 100%;
  margin: auto;
  position: relative;
  z-index: 2;
}
html .box .bgc_img {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1;
}
html .box .bgc_img video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
html .box .container {
  width: 100%;
  margin-top: 1.4rem;
  position: relative;
  z-index: 2;
  font-size: 0.16rem;
}
html .box nav .nav {
  width: 19.2rem;
  display: flex;
  justify-content: space-between;
  position: fixed;
  top: 0;
  z-index: 999;
  height: 1rem;
  background-color: #ffffff;
}
html .box nav .nav ul {
  list-style: none;
  display: flex;
  height: 1rem;
  color: #0099ff;
  font-weight: 900;
  margin-left: 3rem;
}
html .box nav .nav ul .initial {
  background-color: rgba(156, 189, 248, 0.6);
}
html .box nav .nav ul li {
  width: 1rem;
  height: 1rem;
  font-size: 0.2rem;
  cursor: pointer;
}
html .box nav .nav ul li a {
  width: 1rem;
  height: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #0099ff;
}
html .box nav .nav ul li a span {
  display: inline-block;
}
html .box nav .nav ul li:hover {
  background-color: rgba(156, 189, 248, 0.6);
}
html .box nav .nav ol {
  width: 2.6rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 1rem;
  font-weight: 900;
  margin-right: 1rem;
}
html .box nav .nav ol a {
  color: #0099ff;
  width: 100%;
  height: 100%;
  text-align: center;
  line-height: 0.5rem;
}
html .box nav .nav ol .li:hover {
  background-color: rgba(156, 189, 248, 0.6);
}
html .box nav .nav ol .li {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.2rem;
  cursor: pointer;
  width: 1rem;
  border: 2px solid rgba(156, 189, 248, 0.6);
  height: 0.5rem !important;
  border-radius: 0.1rem;
}
html .box nav .nav ol .lis {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.3rem;
  font-size: 0.2rem;
  color: #0099ff;
}
html .box nav .nav ol .lis img {
  width: 0.8rem;
  border-radius: 50%;
}
html .box nav .nav ol .lis:nth-child(2) {
  cursor: pointer;
}
html .copyright {
  width: 100%;
  height: 0.5rem;
  text-align: center;
  font-size: 0.12rem;
  color: white;
  line-height: 0.5rem;
  position: relative;
  z-index: 2;
}
